The Malvern is a large 6 berth tent from Olpro, and the extension adds even more space. Its easy to fit and almost doubles your tent living space. The extra space created by the extension has a large door at the front, with windows and a separate groundsheet you can place down or leave as grass. It really does add a lot to another great tent. 1 person tunnel tent. 1 room, 1 door, mosquito nets and separate groundsheet. 3 windows. Fibre glass poles that are colour coded. Tent material polyester. Hydrostatic head 5000mm - the higher the figure, the more waterproof the tent. Fire retardant taped seams. Living space size H215, W400, L290cm. Maximum height 215cm. Includes: pegs, poles and canvas. Includes tent pegs. Pitched size H215, W400, L290cm. Packed size L60, W18, D18cm. Packed weight 5kg. Manufacturers 2 Year (1 year fabric) guarantee.